//变量
$sub-img-size: 80px;

.img-con{
    width: $sub-img-size;
    height: $sub-img-size;
    float: left;
    border: 1px solid #ccc;
    margin-right: 10px;
    position: relative;
    .img{
        width: 100%;
        height: 100%;
        display: block;
    }
    .fa-close{ 
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        height: $sub-img-size;
        line-height: $sub-img-size;
        text-align: center;
        cursor: pointer;
        display: none;
        font-size: 50px;
        color: #aaa;
        background: rgba(0, 0, 0, 0.1)
    }
    &:hover{
        .fa-close{
            display: block;
        }
    }
} 
.file-upload-con{
    margin-top: 15px;
}